Air conditioner



FIG. 1 is a front, bottom and right side perspective view of an air conditioner showing our new design;

FIG. 2 is a right side elevational view, the opposite side being a mirror image thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a front, bottom and right side perspective view thereof with louvers thereof in the bottom of the casing shifted to open position. 

The ornamental design for an air conditioner, as shown and described. 